Home / 3,531.06-5,286.19-2,610.72

Finding the Fourth Proportional to 3,531.06, 5,286.19 and 2,610.72

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Solution

The fourth proportional to 3,531.06, 5,286.19 and 2,610.72 is: 3,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.06 : 5,286.19 = 2,610.72 : x
  2. Step 2: Convert to fraction form
    3,531.06/5,286.19 = 2,610.72/x
  3. Step 3: Cross multiply
    3,531.06x = 5,286.19 × 2,610.72
  4. Step 4: Simplify right side
    3,531.06x = 13,800,761.96
  5. Step 5: Solve for x
    x = 13,800,761.96/3,531.06
  6. Step 6: Final answer
    x = 3,908.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.